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Re: "unset var" pops var off variable stack instead of unsetting it


From: Dan Douglas
Subject: Re: "unset var" pops var off variable stack instead of unsetting it
Date: Fri, 17 Mar 2017 21:38:55 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0

On 03/17/2017 09:16 PM, Dan Douglas wrote:
> Why
> would a subshell just make the call stack go away?

I guess slight correction, it's unset itself, because:

> In fact, mksh prints "global" even without the subshell, despite it 
> using dynamic scope for either function definition syntax.

Another "not-sure-if-bug-or-feature". It is a way to guarantee reaching
the global scope, which is impossible in bash, short of calling unset
address@hidden times.

If feature, I'm not instantly in love with it.



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